1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server; 18 19 import android.app.ActivityManagerNative; 20 import android.bluetooth.BluetoothAdapter; 21 import android.content.ComponentName; 22 import android.content.ContentResolver; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.pm.IPackageManager; 26 import android.content.pm.PackageManager; 27 import android.content.res.Configuration; 28 import android.media.AudioService; 29 import android.net.wifi.p2p.WifiP2pService; 30 import android.os.Environment; 31 import android.os.Handler; 32 import android.os.HandlerThread; 33 import android.os.Looper; 34 import android.os.RemoteException; 35 import android.os.ServiceManager; 36 import android.os.StrictMode; 37 import android.os.SystemClock; 38 import android.os.SystemProperties; 39 import android.os.UserHandle; 40 import android.service.dreams.DreamService; 41 import android.util.DisplayMetrics; 42 import android.util.EventLog; 43 import android.util.Log; 44 import android.util.Slog; 45 import android.view.WindowManager; 46 47 import com.android.internal.os.BinderInternal; 48 import com.android.internal.os.SamplingProfilerIntegration; 49 import com.android.server.accessibility.AccessibilityManagerService; 50 import com.android.server.accounts.AccountManagerService; 51 import com.android.server.am.ActivityManagerService; 52 import com.android.server.am.BatteryStatsService; 53 import com.android.server.content.ContentService; 54 import com.android.server.display.DisplayManagerService; 55 import com.android.server.dreams.DreamManagerService; 56 import com.android.server.input.InputManagerService; 57 import com.android.server.net.NetworkPolicyManagerService; 58 import com.android.server.net.NetworkStatsService; 59 import com.android.server.os.SchedulingPolicyService; 60 import com.android.server.pm.Installer; 61 import com.android.server.pm.PackageManagerService; 62 import com.android.server.pm.UserManagerService; 63 import com.android.server.power.PowerManagerService; 64 import com.android.server.power.ShutdownThread; 65 import com.android.server.search.SearchManagerService; 66 import com.android.server.usb.UsbService; 67 import com.android.server.wifi.WifiService; 68 import com.android.server.wm.WindowManagerService; 69 70 import dalvik.system.VMRuntime; 71 import dalvik.system.Zygote; 72 73 import java.io.File; 74 import java.util.Timer; 75 import java.util.TimerTask; 76 77 class ServerThread extends Thread { 78 private static final String TAG = "SystemServer"; 79 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 80 private static final String ENCRYPTED_STATE = "1"; 81 82 ContentResolver mContentResolver; 83 reportWtf(String msg, Throwable e)84 void reportWtf(String msg, Throwable e) { 85 Slog.w(TAG, "***********************************************"); 86 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 87 } 88 89 @Override run()90 public void run() { 91 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 92 SystemClock.uptimeMillis()); 93 94 Looper.prepareMainLooper(); 95 96 android.os.Process.setThreadPriority( 97 android.os.Process.THREAD_PRIORITY_FOREGROUND); 98 99 BinderInternal.disableBackgroundScheduling(true); 100 android.os.Process.setCanSelfBackground(false); 101 102 // Check whether we failed to shut down last time we tried. 103 { 104 final String shutdownAction = SystemProperties.get( 105 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 106 if (shutdownAction != null && shutdownAction.length() > 0) { 107 boolean reboot = (shutdownAction.charAt(0) == '1'); 108 109 final String reason; 110 if (shutdownAction.length() > 1) { 111 reason = shutdownAction.substring(1, shutdownAction.length()); 112 } else { 113 reason = null; 114 } 115 116 ShutdownThread.rebootOrShutdown(reboot, reason); 117 } 118 } 119 120 String factoryTestStr = SystemProperties.get("ro.factorytest"); 121 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 122 : Integer.parseInt(factoryTestStr); 123 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 124 125 Installer installer = null; 126 AccountManagerService accountManager = null; 127 ContentService contentService = null; 128 LightsService lights = null; 129 PowerManagerService power = null; 130 DisplayManagerService display = null; 131 BatteryService battery = null; 132 VibratorService vibrator = null; 133 AlarmManagerService alarm = null; 134 MountService mountService = null; 135 NetworkManagementService networkManagement = null; 136 NetworkStatsService networkStats = null; 137 NetworkPolicyManagerService networkPolicy = null; 138 ConnectivityService connectivity = null; 139 WifiP2pService wifiP2p = null; 140 WifiService wifi = null; 141 NsdService serviceDiscovery= null; 142 IPackageManager pm = null; 143 Context context = null; 144 WindowManagerService wm = null; 145 BluetoothManagerService bluetooth = null; 146 DockObserver dock = null; 147 UsbService usb = null; 148 SerialService serial = null; 149 TwilightService twilight = null; 150 UiModeManagerService uiMode = null; 151 RecognitionManagerService recognition = null; 152 NetworkTimeUpdateService networkTimeUpdater = null; 153 CommonTimeManagementService commonTimeMgmtService = null; 154 InputManagerService inputManager = null; 155 TelephonyRegistry telephonyRegistry = null; 156 157 // Create a shared handler thread for UI within the system server. 158 // This thread is used by at least the following components: 159 // - WindowManagerPolicy 160 // - KeyguardViewManager 161 // - DisplayManagerService 162 HandlerThread uiHandlerThread = new HandlerThread("UI"); 163 uiHandlerThread.start(); 164 Handler uiHandler = new Handler(uiHandlerThread.getLooper()); 165 uiHandler.post(new Runnable() { 166 @Override 167 public void run() { 168 //Looper.myLooper().setMessageLogging(new LogPrinter( 169 // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); 170 android.os.Process.setThreadPriority( 171 android.os.Process.THREAD_PRIORITY_FOREGROUND); 172 android.os.Process.setCanSelfBackground(false); 173 174 // For debug builds, log event loop stalls to dropbox for analysis. 175 if (StrictMode.conditionallyEnableDebugLogging()) { 176 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 177 } 178 } 179 }); 180 181 // Create a handler thread just for the window manager to enjoy. 182 HandlerThread wmHandlerThread = new HandlerThread("WindowManager"); 183 wmHandlerThread.start(); 184 Handler wmHandler = new Handler(wmHandlerThread.getLooper()); 185 wmHandler.post(new Runnable() { 186 @Override 187 public void run() { 188 //Looper.myLooper().setMessageLogging(new LogPrinter( 189 // android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM)); 190 android.os.Process.setThreadPriority( 191 android.os.Process.THREAD_PRIORITY_DISPLAY); 192 android.os.Process.setCanSelfBackground(false); 193 194 // For debug builds, log event loop stalls to dropbox for analysis. 195 if (StrictMode.conditionallyEnableDebugLogging()) { 196 Slog.i(TAG, "Enabled StrictMode logging for WM Looper"); 197 } 198 } 199 }); 200 201 // Critical services... 202 boolean onlyCore = false; 203 try { 204 // Wait for installd to finished starting up so that it has a chance to 205 // create critical directories such as /data/user with the appropriate 206 // permissions. We need this to complete before we initialize other services. 207 Slog.i(TAG, "Waiting for installd to be ready."); 208 installer = new Installer(); 209 installer.ping(); 210 211 Slog.i(TAG, "Power Manager"); 212 power = new PowerManagerService(); 213 ServiceManager.addService(Context.POWER_SERVICE, power); 214 215 Slog.i(TAG, "Activity Manager"); 216 context = ActivityManagerService.main(factoryTest); 217 218 Slog.i(TAG, "Display Manager"); 219 display = new DisplayManagerService(context, wmHandler, uiHandler); 220 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 221 222 Slog.i(TAG, "Telephony Registry"); 223 telephonyRegistry = new TelephonyRegistry(context); 224 ServiceManager.addService("telephony.registry", telephonyRegistry); 225 226 Slog.i(TAG, "Scheduling Policy"); 227 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 228 new SchedulingPolicyService()); 229 230 AttributeCache.init(context); 231 232 if (!display.waitForDefaultDisplay()) { 233 reportWtf("Timeout waiting for default display to be initialized.", 234 new Throwable()); 235 } 236 237 Slog.i(TAG, "Package Manager"); 238 // Only run "core" apps if we're encrypting the device. 239 String cryptState = SystemProperties.get("vold.decrypt"); 240 if (ENCRYPTING_STATE.equals(cryptState)) { 241 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 242 onlyCore = true; 243 } else if (ENCRYPTED_STATE.equals(cryptState)) { 244 Slog.w(TAG, "Device encrypted - only parsing core apps"); 245 onlyCore = true; 246 } 247 248 pm = PackageManagerService.main(context, installer, 249 factoryTest != SystemServer.FACTORY_TEST_OFF, 250 onlyCore); 251 boolean firstBoot = false; 252 try { 253 firstBoot = pm.isFirstBoot(); 254 } catch (RemoteException e) { 255 } 256 257 ActivityManagerService.setSystemProcess(); 258 259 Slog.i(TAG, "Entropy Mixer"); 260 ServiceManager.addService("entropy", new EntropyMixer(context)); 261 262 Slog.i(TAG, "User Service"); 263 ServiceManager.addService(Context.USER_SERVICE, 264 UserManagerService.getInstance()); 265 266 mContentResolver = context.getContentResolver(); 267 268 // The AccountManager must come before the ContentService 269 try { 270 Slog.i(TAG, "Account Manager"); 271 accountManager = new AccountManagerService(context); 272 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 273 } catch (Throwable e) { 274 Slog.e(TAG, "Failure starting Account Manager", e); 275 } 276 277 Slog.i(TAG, "Content Manager"); 278 contentService = ContentService.main(context, 279 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 280 281 Slog.i(TAG, "System Content Providers"); 282 ActivityManagerService.installSystemProviders(); 283 284 Slog.i(TAG, "Lights Service"); 285 lights = new LightsService(context); 286 287 Slog.i(TAG, "Battery Service"); 288 battery = new BatteryService(context, lights); 289 ServiceManager.addService("battery", battery); 290 291 Slog.i(TAG, "Vibrator Service"); 292 vibrator = new VibratorService(context); 293 ServiceManager.addService("vibrator", vibrator); 294 295 // only initialize the power service after we have started the 296 // lights service, content providers and the battery service. 297 power.init(context, lights, ActivityManagerService.self(), battery, 298 BatteryStatsService.getService(), display); 299 300 Slog.i(TAG, "Alarm Manager"); 301 alarm = new AlarmManagerService(context); 302 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 303 304 Slog.i(TAG, "Init Watchdog"); 305 Watchdog.getInstance().init(context, battery, power, alarm, 306 ActivityManagerService.self()); 307 308 Slog.i(TAG, "Input Manager"); 309 inputManager = new InputManagerService(context, wmHandler); 310 311 Slog.i(TAG, "Window Manager"); 312 wm = WindowManagerService.main(context, power, display, inputManager, 313 uiHandler, wmHandler, 314 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 315 !firstBoot, onlyCore); 316 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 317 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 318 319 ActivityManagerService.self().setWindowManager(wm); 320 321 inputManager.setWindowManagerCallbacks(wm.getInputMonitor()); 322 inputManager.start(); 323 324 display.setWindowManager(wm); 325 display.setInputManager(inputManager); 326 327 // Skip Bluetooth if we have an emulator kernel 328 // TODO: Use a more reliable check to see if this product should 329 // support Bluetooth - see bug 988521 330 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 331 Slog.i(TAG, "No Bluetooh Service (emulator)"); 332 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 333 Slog.i(TAG, "No Bluetooth Service (factory test)"); 334 } else if (!context.getPackageManager().hasSystemFeature 335 (PackageManager.FEATURE_BLUETOOTH)) { 336 Slog.i(TAG, "No Bluetooth Service (Bluetooth Hardware Not Present)"); 337 } else { 338 Slog.i(TAG, "Bluetooth Manager Service"); 339 bluetooth = new BluetoothManagerService(context); 340 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 341 } 342 343 } catch (RuntimeException e) { 344 Slog.e("System", "******************************************"); 345 Slog.e("System", "************ Failure starting core service", e); 346 } 347 348 DevicePolicyManagerService devicePolicy = null; 349 StatusBarManagerService statusBar = null; 350 InputMethodManagerService imm = null; 351 AppWidgetService appWidget = null; 352 NotificationManagerService notification = null; 353 WallpaperManagerService wallpaper = null; 354 LocationManagerService location = null; 355 CountryDetectorService countryDetector = null; 356 TextServicesManagerService tsms = null; 357 LockSettingsService lockSettings = null; 358 DreamManagerService dreamy = null; 359 360 // Bring up services needed for UI. 361 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 362 try { 363 Slog.i(TAG, "Input Method Service"); 364 imm = new InputMethodManagerService(context, wm); 365 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 366 } catch (Throwable e) { 367 reportWtf("starting Input Manager Service", e); 368 } 369 370 try { 371 Slog.i(TAG, "Accessibility Manager"); 372 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 373 new AccessibilityManagerService(context)); 374 } catch (Throwable e) { 375 reportWtf("starting Accessibility Manager", e); 376 } 377 } 378 379 try { 380 wm.displayReady(); 381 } catch (Throwable e) { 382 reportWtf("making display ready", e); 383 } 384 385 try { 386 pm.performBootDexOpt(); 387 } catch (Throwable e) { 388 reportWtf("performing boot dexopt", e); 389 } 390 391 try { 392 ActivityManagerNative.getDefault().showBootMessage( 393 context.getResources().getText( 394 com.android.internal.R.string.android_upgrading_starting_apps), 395 false); 396 } catch (RemoteException e) { 397 } 398 399 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 400 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 401 try { 402 /* 403 * NotificationManagerService is dependant on MountService, 404 * (for media / usb notifications) so we must start MountService first. 405 */ 406 Slog.i(TAG, "Mount Service"); 407 mountService = new MountService(context); 408 ServiceManager.addService("mount", mountService); 409 } catch (Throwable e) { 410 reportWtf("starting Mount Service", e); 411 } 412 } 413 414 try { 415 Slog.i(TAG, "LockSettingsService"); 416 lockSettings = new LockSettingsService(context); 417 ServiceManager.addService("lock_settings", lockSettings); 418 } catch (Throwable e) { 419 reportWtf("starting LockSettingsService service", e); 420 } 421 422 try { 423 Slog.i(TAG, "Device Policy"); 424 devicePolicy = new DevicePolicyManagerService(context); 425 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 426 } catch (Throwable e) { 427 reportWtf("starting DevicePolicyService", e); 428 } 429 430 try { 431 Slog.i(TAG, "Status Bar"); 432 statusBar = new StatusBarManagerService(context, wm); 433 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 434 } catch (Throwable e) { 435 reportWtf("starting StatusBarManagerService", e); 436 } 437 438 try { 439 Slog.i(TAG, "Clipboard Service"); 440 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 441 new ClipboardService(context)); 442 } catch (Throwable e) { 443 reportWtf("starting Clipboard Service", e); 444 } 445 446 try { 447 Slog.i(TAG, "NetworkManagement Service"); 448 networkManagement = NetworkManagementService.create(context); 449 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 450 } catch (Throwable e) { 451 reportWtf("starting NetworkManagement Service", e); 452 } 453 454 try { 455 Slog.i(TAG, "Text Service Manager Service"); 456 tsms = new TextServicesManagerService(context); 457 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 458 } catch (Throwable e) { 459 reportWtf("starting Text Service Manager Service", e); 460 } 461 462 try { 463 Slog.i(TAG, "NetworkStats Service"); 464 networkStats = new NetworkStatsService(context, networkManagement, alarm); 465 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 466 } catch (Throwable e) { 467 reportWtf("starting NetworkStats Service", e); 468 } 469 470 try { 471 Slog.i(TAG, "NetworkPolicy Service"); 472 networkPolicy = new NetworkPolicyManagerService( 473 context, ActivityManagerService.self(), power, 474 networkStats, networkManagement); 475 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 476 } catch (Throwable e) { 477 reportWtf("starting NetworkPolicy Service", e); 478 } 479 480 try { 481 Slog.i(TAG, "Wi-Fi P2pService"); 482 wifiP2p = new WifiP2pService(context); 483 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 484 } catch (Throwable e) { 485 reportWtf("starting Wi-Fi P2pService", e); 486 } 487 488 try { 489 Slog.i(TAG, "Wi-Fi Service"); 490 wifi = new WifiService(context); 491 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 492 } catch (Throwable e) { 493 reportWtf("starting Wi-Fi Service", e); 494 } 495 496 try { 497 Slog.i(TAG, "Connectivity Service"); 498 connectivity = new ConnectivityService( 499 context, networkManagement, networkStats, networkPolicy); 500 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 501 networkStats.bindConnectivityManager(connectivity); 502 networkPolicy.bindConnectivityManager(connectivity); 503 wifi.checkAndStartWifi(); 504 wifiP2p.connectivityServiceReady(); 505 } catch (Throwable e) { 506 reportWtf("starting Connectivity Service", e); 507 } 508 509 try { 510 Slog.i(TAG, "Network Service Discovery Service"); 511 serviceDiscovery = NsdService.create(context); 512 ServiceManager.addService( 513 Context.NSD_SERVICE, serviceDiscovery); 514 } catch (Throwable e) { 515 reportWtf("starting Service Discovery Service", e); 516 } 517 518 try { 519 Slog.i(TAG, "UpdateLock Service"); 520 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 521 new UpdateLockService(context)); 522 } catch (Throwable e) { 523 reportWtf("starting UpdateLockService", e); 524 } 525 526 /* 527 * MountService has a few dependencies: Notification Manager and 528 * AppWidget Provider. Make sure MountService is completely started 529 * first before continuing. 530 */ 531 if (mountService != null) { 532 mountService.waitForAsecScan(); 533 } 534 535 try { 536 if (accountManager != null) 537 accountManager.systemReady(); 538 } catch (Throwable e) { 539 reportWtf("making Account Manager Service ready", e); 540 } 541 542 try { 543 if (contentService != null) 544 contentService.systemReady(); 545 } catch (Throwable e) { 546 reportWtf("making Content Service ready", e); 547 } 548 549 try { 550 Slog.i(TAG, "Notification Manager"); 551 notification = new NotificationManagerService(context, statusBar, lights); 552 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 553 networkPolicy.bindNotificationManager(notification); 554 } catch (Throwable e) { 555 reportWtf("starting Notification Manager", e); 556 } 557 558 try { 559 Slog.i(TAG, "Device Storage Monitor"); 560 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 561 new DeviceStorageMonitorService(context)); 562 } catch (Throwable e) { 563 reportWtf("starting DeviceStorageMonitor service", e); 564 } 565 566 try { 567 Slog.i(TAG, "Location Manager"); 568 location = new LocationManagerService(context); 569 ServiceManager.addService(Context.LOCATION_SERVICE, location); 570 } catch (Throwable e) { 571 reportWtf("starting Location Manager", e); 572 } 573 574 try { 575 Slog.i(TAG, "Country Detector"); 576 countryDetector = new CountryDetectorService(context); 577 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 578 } catch (Throwable e) { 579 reportWtf("starting Country Detector", e); 580 } 581 582 try { 583 Slog.i(TAG, "Search Service"); 584 ServiceManager.addService(Context.SEARCH_SERVICE, 585 new SearchManagerService(context)); 586 } catch (Throwable e) { 587 reportWtf("starting Search Service", e); 588 } 589 590 try { 591 Slog.i(TAG, "DropBox Service"); 592 ServiceManager.addService(Context.DROPBOX_SERVICE, 593 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 594 } catch (Throwable e) { 595 reportWtf("starting DropBoxManagerService", e); 596 } 597 598 if (context.getResources().getBoolean( 599 com.android.internal.R.bool.config_enableWallpaperService)) { 600 try { 601 Slog.i(TAG, "Wallpaper Service"); 602 if (!headless) { 603 wallpaper = new WallpaperManagerService(context); 604 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 605 } 606 } catch (Throwable e) { 607 reportWtf("starting Wallpaper Service", e); 608 } 609 } 610 611 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 612 try { 613 Slog.i(TAG, "Audio Service"); 614 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 615 } catch (Throwable e) { 616 reportWtf("starting Audio Service", e); 617 } 618 } 619 620 try { 621 Slog.i(TAG, "Dock Observer"); 622 // Listen for dock station changes 623 dock = new DockObserver(context); 624 } catch (Throwable e) { 625 reportWtf("starting DockObserver", e); 626 } 627 628 try { 629 Slog.i(TAG, "Wired Accessory Manager"); 630 // Listen for wired headset changes 631 inputManager.setWiredAccessoryCallbacks( 632 new WiredAccessoryManager(context, inputManager)); 633 } catch (Throwable e) { 634 reportWtf("starting WiredAccessoryManager", e); 635 } 636 637 try { 638 Slog.i(TAG, "USB Service"); 639 // Manage USB host and device support 640 usb = new UsbService(context); 641 ServiceManager.addService(Context.USB_SERVICE, usb); 642 } catch (Throwable e) { 643 reportWtf("starting UsbService", e); 644 } 645 646 try { 647 Slog.i(TAG, "Serial Service"); 648 // Serial port support 649 serial = new SerialService(context); 650 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 651 } catch (Throwable e) { 652 Slog.e(TAG, "Failure starting SerialService", e); 653 } 654 655 try { 656 Slog.i(TAG, "Twilight Service"); 657 twilight = new TwilightService(context); 658 } catch (Throwable e) { 659 reportWtf("starting TwilightService", e); 660 } 661 662 try { 663 Slog.i(TAG, "UI Mode Manager Service"); 664 // Listen for UI mode changes 665 uiMode = new UiModeManagerService(context, twilight); 666 } catch (Throwable e) { 667 reportWtf("starting UiModeManagerService", e); 668 } 669 670 try { 671 Slog.i(TAG, "Backup Service"); 672 ServiceManager.addService(Context.BACKUP_SERVICE, 673 new BackupManagerService(context)); 674 } catch (Throwable e) { 675 Slog.e(TAG, "Failure starting Backup Service", e); 676 } 677 678 try { 679 Slog.i(TAG, "AppWidget Service"); 680 appWidget = new AppWidgetService(context); 681 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 682 } catch (Throwable e) { 683 reportWtf("starting AppWidget Service", e); 684 } 685 686 try { 687 Slog.i(TAG, "Recognition Service"); 688 recognition = new RecognitionManagerService(context); 689 } catch (Throwable e) { 690 reportWtf("starting Recognition Service", e); 691 } 692 693 try { 694 Slog.i(TAG, "DiskStats Service"); 695 ServiceManager.addService("diskstats", new DiskStatsService(context)); 696 } catch (Throwable e) { 697 reportWtf("starting DiskStats Service", e); 698 } 699 700 try { 701 // need to add this service even if SamplingProfilerIntegration.isEnabled() 702 // is false, because it is this service that detects system property change and 703 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 704 // there is little overhead for running this service. 705 Slog.i(TAG, "SamplingProfiler Service"); 706 ServiceManager.addService("samplingprofiler", 707 new SamplingProfilerService(context)); 708 } catch (Throwable e) { 709 reportWtf("starting SamplingProfiler Service", e); 710 } 711 712 try { 713 Slog.i(TAG, "NetworkTimeUpdateService"); 714 networkTimeUpdater = new NetworkTimeUpdateService(context); 715 } catch (Throwable e) { 716 reportWtf("starting NetworkTimeUpdate service", e); 717 } 718 719 try { 720 Slog.i(TAG, "CommonTimeManagementService"); 721 commonTimeMgmtService = new CommonTimeManagementService(context); 722 ServiceManager.addService("commontime_management", commonTimeMgmtService); 723 } catch (Throwable e) { 724 reportWtf("starting CommonTimeManagementService service", e); 725 } 726 727 try { 728 Slog.i(TAG, "CertBlacklister"); 729 CertBlacklister blacklister = new CertBlacklister(context); 730 } catch (Throwable e) { 731 reportWtf("starting CertBlacklister", e); 732 } 733 734 if (context.getResources().getBoolean( 735 com.android.internal.R.bool.config_dreamsSupported)) { 736 try { 737 Slog.i(TAG, "Dreams Service"); 738 // Dreams (interactive idle-time views, a/k/a screen savers) 739 dreamy = new DreamManagerService(context, wmHandler); 740 ServiceManager.addService(DreamService.DREAM_SERVICE, dreamy); 741 } catch (Throwable e) { 742 reportWtf("starting DreamManagerService", e); 743 } 744 } 745 746 try { 747 Slog.i(TAG, "IdleMaintenanceService"); 748 new IdleMaintenanceService(context, battery); 749 } catch (Throwable e) { 750 reportWtf("starting IdleMaintenanceService", e); 751 } 752 } 753 754 // Before things start rolling, be sure we have decided whether 755 // we are in safe mode. 756 final boolean safeMode = wm.detectSafeMode(); 757 if (safeMode) { 758 ActivityManagerService.self().enterSafeMode(); 759 // Post the safe mode state in the Zygote class 760 Zygote.systemInSafeMode = true; 761 // Disable the JIT for the system_server process 762 VMRuntime.getRuntime().disableJitCompilation(); 763 } else { 764 // Enable the JIT for the system_server process 765 VMRuntime.getRuntime().startJitCompilation(); 766 } 767 768 // It is now time to start up the app processes... 769 770 try { 771 vibrator.systemReady(); 772 } catch (Throwable e) { 773 reportWtf("making Vibrator Service ready", e); 774 } 775 776 try { 777 lockSettings.systemReady(); 778 } catch (Throwable e) { 779 reportWtf("making Lock Settings Service ready", e); 780 } 781 782 if (devicePolicy != null) { 783 try { 784 devicePolicy.systemReady(); 785 } catch (Throwable e) { 786 reportWtf("making Device Policy Service ready", e); 787 } 788 } 789 790 if (notification != null) { 791 try { 792 notification.systemReady(); 793 } catch (Throwable e) { 794 reportWtf("making Notification Service ready", e); 795 } 796 } 797 798 try { 799 wm.systemReady(); 800 } catch (Throwable e) { 801 reportWtf("making Window Manager Service ready", e); 802 } 803 804 if (safeMode) { 805 ActivityManagerService.self().showSafeModeOverlay(); 806 } 807 808 // Update the configuration for this context by hand, because we're going 809 // to start using it before the config change done in wm.systemReady() will 810 // propagate to it. 811 Configuration config = wm.computeNewConfiguration(); 812 DisplayMetrics metrics = new DisplayMetrics(); 813 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 814 w.getDefaultDisplay().getMetrics(metrics); 815 context.getResources().updateConfiguration(config, metrics); 816 817 try { 818 power.systemReady(twilight, dreamy); 819 } catch (Throwable e) { 820 reportWtf("making Power Manager Service ready", e); 821 } 822 823 try { 824 pm.systemReady(); 825 } catch (Throwable e) { 826 reportWtf("making Package Manager Service ready", e); 827 } 828 829 try { 830 display.systemReady(safeMode, onlyCore); 831 } catch (Throwable e) { 832 reportWtf("making Display Manager Service ready", e); 833 } 834 835 // These are needed to propagate to the runnable below. 836 final Context contextF = context; 837 final MountService mountServiceF = mountService; 838 final BatteryService batteryF = battery; 839 final NetworkManagementService networkManagementF = networkManagement; 840 final NetworkStatsService networkStatsF = networkStats; 841 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 842 final ConnectivityService connectivityF = connectivity; 843 final DockObserver dockF = dock; 844 final UsbService usbF = usb; 845 final TwilightService twilightF = twilight; 846 final UiModeManagerService uiModeF = uiMode; 847 final AppWidgetService appWidgetF = appWidget; 848 final WallpaperManagerService wallpaperF = wallpaper; 849 final InputMethodManagerService immF = imm; 850 final RecognitionManagerService recognitionF = recognition; 851 final LocationManagerService locationF = location; 852 final CountryDetectorService countryDetectorF = countryDetector; 853 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 854 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 855 final TextServicesManagerService textServiceManagerServiceF = tsms; 856 final StatusBarManagerService statusBarF = statusBar; 857 final DreamManagerService dreamyF = dreamy; 858 final InputManagerService inputManagerF = inputManager; 859 final TelephonyRegistry telephonyRegistryF = telephonyRegistry; 860 861 // We now tell the activity manager it is okay to run third party 862 // code. It will call back into us once it has gotten to the state 863 // where third party code can really run (but before it has actually 864 // started launching the initial applications), for us to complete our 865 // initialization. 866 ActivityManagerService.self().systemReady(new Runnable() { 867 public void run() { 868 Slog.i(TAG, "Making services ready"); 869 870 try { 871 ActivityManagerService.self().startObservingNativeCrashes(); 872 } catch (Throwable e) { 873 reportWtf("observing native crashes", e); 874 } 875 if (!headless) startSystemUi(contextF); 876 try { 877 if (mountServiceF != null) mountServiceF.systemReady(); 878 } catch (Throwable e) { 879 reportWtf("making Mount Service ready", e); 880 } 881 try { 882 if (batteryF != null) batteryF.systemReady(); 883 } catch (Throwable e) { 884 reportWtf("making Battery Service ready", e); 885 } 886 try { 887 if (networkManagementF != null) networkManagementF.systemReady(); 888 } catch (Throwable e) { 889 reportWtf("making Network Managment Service ready", e); 890 } 891 try { 892 if (networkStatsF != null) networkStatsF.systemReady(); 893 } catch (Throwable e) { 894 reportWtf("making Network Stats Service ready", e); 895 } 896 try { 897 if (networkPolicyF != null) networkPolicyF.systemReady(); 898 } catch (Throwable e) { 899 reportWtf("making Network Policy Service ready", e); 900 } 901 try { 902 if (connectivityF != null) connectivityF.systemReady(); 903 } catch (Throwable e) { 904 reportWtf("making Connectivity Service ready", e); 905 } 906 try { 907 if (dockF != null) dockF.systemReady(); 908 } catch (Throwable e) { 909 reportWtf("making Dock Service ready", e); 910 } 911 try { 912 if (usbF != null) usbF.systemReady(); 913 } catch (Throwable e) { 914 reportWtf("making USB Service ready", e); 915 } 916 try { 917 if (twilightF != null) twilightF.systemReady(); 918 } catch (Throwable e) { 919 reportWtf("makin Twilight Service ready", e); 920 } 921 try { 922 if (uiModeF != null) uiModeF.systemReady(); 923 } catch (Throwable e) { 924 reportWtf("making UI Mode Service ready", e); 925 } 926 try { 927 if (recognitionF != null) recognitionF.systemReady(); 928 } catch (Throwable e) { 929 reportWtf("making Recognition Service ready", e); 930 } 931 Watchdog.getInstance().start(); 932 933 // It is now okay to let the various system services start their 934 // third party code... 935 936 try { 937 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 938 } catch (Throwable e) { 939 reportWtf("making App Widget Service ready", e); 940 } 941 try { 942 if (wallpaperF != null) wallpaperF.systemReady(); 943 } catch (Throwable e) { 944 reportWtf("making Wallpaper Service ready", e); 945 } 946 try { 947 if (immF != null) immF.systemReady(statusBarF); 948 } catch (Throwable e) { 949 reportWtf("making Input Method Service ready", e); 950 } 951 try { 952 if (locationF != null) locationF.systemReady(); 953 } catch (Throwable e) { 954 reportWtf("making Location Service ready", e); 955 } 956 try { 957 if (countryDetectorF != null) countryDetectorF.systemReady(); 958 } catch (Throwable e) { 959 reportWtf("making Country Detector Service ready", e); 960 } 961 try { 962 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 963 } catch (Throwable e) { 964 reportWtf("making Network Time Service ready", e); 965 } 966 try { 967 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 968 } catch (Throwable e) { 969 reportWtf("making Common time management service ready", e); 970 } 971 try { 972 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 973 } catch (Throwable e) { 974 reportWtf("making Text Services Manager Service ready", e); 975 } 976 try { 977 if (dreamyF != null) dreamyF.systemReady(); 978 } catch (Throwable e) { 979 reportWtf("making DreamManagerService ready", e); 980 } 981 try { 982 // TODO(BT) Pass parameter to input manager 983 if (inputManagerF != null) inputManagerF.systemReady(); 984 } catch (Throwable e) { 985 reportWtf("making InputManagerService ready", e); 986 } 987 try { 988 if (telephonyRegistryF != null) telephonyRegistryF.systemReady(); 989 } catch (Throwable e) { 990 reportWtf("making TelephonyRegistry ready", e); 991 } 992 } 993 }); 994 995 // For debug builds, log event loop stalls to dropbox for analysis. 996 if (StrictMode.conditionallyEnableDebugLogging()) { 997 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 998 } 999 1000 Looper.loop(); 1001 Slog.d(TAG, "System ServerThread is exiting!"); 1002 } 1003 startSystemUi(Context context)1004 static final void startSystemUi(Context context) { 1005 Intent intent = new Intent(); 1006 intent.setComponent(new ComponentName("com.android.systemui", 1007 "com.android.systemui.SystemUIService")); 1008 //Slog.d(TAG, "Starting service: " + intent); 1009 context.startServiceAsUser(intent, UserHandle.OWNER); 1010 } 1011 } 1012 1013 public class SystemServer { 1014 private static final String TAG = "SystemServer"; 1015 1016 public static final int FACTORY_TEST_OFF = 0; 1017 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1018 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1019 1020 static Timer timer; 1021 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1022 1023 // The earliest supported time. We pick one day into 1970, to 1024 // give any timezone code room without going into negative time. 1025 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1026 1027 /** 1028 * This method is called from Zygote to initialize the system. This will cause the native 1029 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1030 * up into init2() to start the Android services. 1031 */ init1(String[] args)1032 native public static void init1(String[] args); 1033 main(String[] args)1034 public static void main(String[] args) { 1035 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1036 // If a device's clock is before 1970 (before 0), a lot of 1037 // APIs crash dealing with negative numbers, notably 1038 // java.io.File#setLastModified, so instead we fake it and 1039 // hope that time from cell towers or NTP fixes it 1040 // shortly. 1041 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1042 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1043 } 1044 1045 if (SamplingProfilerIntegration.isEnabled()) { 1046 SamplingProfilerIntegration.start(); 1047 timer = new Timer(); 1048 timer.schedule(new TimerTask() { 1049 @Override 1050 public void run() { 1051 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1052 } 1053 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1054 } 1055 1056 // Mmmmmm... more memory! 1057 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1058 1059 // The system server has to run all of the time, so it needs to be 1060 // as efficient as possible with its memory usage. 1061 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1062 1063 Environment.setUserRequired(true); 1064 1065 System.loadLibrary("android_servers"); 1066 init1(args); 1067 } 1068 init2()1069 public static final void init2() { 1070 Slog.i(TAG, "Entered the Android system server!"); 1071 Thread thr = new ServerThread(); 1072 thr.setName("android.server.ServerThread"); 1073 thr.start(); 1074 } 1075 } 1076